Synoicus is a genus of 4 species of Old World quail.
Two of the four species in the genus were originally classified in Excalfactoria, one was classified in Anurophasis, and one was classified in Coturnix. 

1/ King quail (Cay Trung Quốc, Synoicus chinensis), also known as the blue-breasted quail, Asian blue quail, Chinese painted quail, or Chung-Chi
The species has had a complex taxonomic history, being classified into the genus Coturnix, then Synoicus, then Excalfactoria. Phylogenetic evidence supports it belonging in an expanded Synoicus.

galliformes derives from "gallus", Latin for "rooster".
Phasianidae from Phasianus: Latin for "pheasant", derived from the Ancient Greek φἀσιἀνος, phāsiānos, meaning "(bird) of the Phasis", the River Phasis (now the Rioni) in Colchis on the east coast of the Black Sea (now western Georgia).
synoicus Greek sunoikos living together (sun together; oikeo to inhabit); or synoicus Mt. Sinai, Egypt.